package net.bwie.realtime.jtp.dws.log.function;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import net.bwie.realtime.jtp.common.utils.DateTimeUtil;
import net.bwie.realtime.jtp.dws.log.been.PageViewBean;
import org.apache.flink.api.common.functions.RichMapFunction;
import org.apache.flink.api.common.state.StateTtlConfig;
import org.apache.flink.api.common.state.ValueState;
import org.apache.flink.api.common.state.ValueStateDescriptor;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.configuration.Configuration;

import java.util.HashMap;

public class PageViewBeanMapFunction extends RichMapFunction<String, PageViewBean> {
    // 声明状态变量
    private transient ValueState<String> lastDateState;
    // 创建地理map
    final HashMap<String,String> map = getAreaDic();
    // 初始化状态变量
    @Override
    public void open(Configuration parameters) throws Exception {

        ValueStateDescriptor<String> lastDateStateDescriptor = new ValueStateDescriptor<>("lastDateStateDescriptor", String.class);

        // ttl配置
        StateTtlConfig ttlConfig = StateTtlConfig
                .newBuilder(Time.days(1))
                .updateTtlOnCreateAndWrite()
                .neverReturnExpired()
                .build();
        lastDateStateDescriptor.enableTimeToLive(ttlConfig);

        lastDateState = getRuntimeContext().getState(lastDateStateDescriptor);
    }

    @Override
    public PageViewBean map(String value) throws Exception {
        JSONObject jsonObject = JSON.parseObject(value);
        JSONObject page = jsonObject.getJSONObject("page");
        JSONObject common = jsonObject.getJSONObject("common");
        // 获取上次日期
        String lastDate = lastDateState.value();
        // 获取当前数据日期
        String nowDate = DateTimeUtil.convertLongToString(jsonObject.getLong("ts"), DateTimeUtil.DATE_FORMAT);
        // 获取地理维度字段
        String province = map.get(common.getString("ar"));
        long uvCount = 0L;
        // 判断是否为第一次访问
        if (lastDate == null || !lastDate.equals(nowDate)) {
            uvCount = 1L;
            lastDateState.update(nowDate);
        }
        //  封装数据
        return new PageViewBean(
                null,
                null,
                common.getString("ba"),
                common.getString("ch"),
                province,
                common.getString("is_new"),
                page.getString("last_page_id") == null ? 1L : 0L,
                1L,
                page.getLong("during_time"),
                uvCount,
                jsonObject.getLong("ts")
        );
    }

    // 地理map添加数据
    private static HashMap<String, String> getAreaDic() {
        HashMap<String,String> map = new HashMap<>();
        map.put("110000","北京");
        map.put("120000","天津");
        map.put("140000","山西");
        map.put("150000","内蒙古");
        map.put("130000","河北");
        map.put("310000","上海");
        map.put("320000","江苏");
        map.put("330000","浙江");
        map.put("340000","安徽");
        map.put("350000","福建");
        map.put("360000","江西");
        map.put("370000","山东");
        map.put("710000","台湾");
        map.put("230000","黑龙江");
        map.put("220000","吉林");
        map.put("210000","辽宁");
        map.put("610000","陕西");
        map.put("620000","甘肃");
        map.put("630000","青海");
        map.put("640000","宁夏");
        map.put("650000","新疆");
        map.put("410000","河南");
        map.put("420000","湖北");
        map.put("430000","湖南");
        map.put("440000","广东");
        map.put("450000","广西");
        map.put("460000","海南");
        map.put("810000","香港");
        map.put("820000","澳门");
        map.put("510000","四川");
        map.put("520000","贵州");
        map.put("530000","云南");
        map.put("500000","重庆");
        map.put("540000","西藏");
        return map;
    }
}
